Tree Risk
Japan’s Falling Trees Crisis: When the Postwar Planting Boom Reaches Its Limit
May 2026
Japan’s Falling Trees Crisis: When the Postwar Planting Boom Reaches Its Limit Introduction In April 2026, an 18-meter cherry tree with a…
Journal
Arboriculture Knowledge from Japan
Field documentation, research, and insights on Japanese tree culture, tree diagnosis, garden design, urban greening, and landscape stewardship.
Tree Risk
How to Read Tree Decay Without Technology: Japanese Field Methods
April 2026
How to Read Tree Decay Without Technology: Japanese Field Methods Introduction Strike a wooden mallet against the trunk and listen. Press a…
Tree Risk
VTA vs. Jyumoku-i: Comparing Two Tree Diagnosis Systems — Western Science Meets Japanese Expertise
April 2026
VTA vs. Jyumoku-i: Comparing Two Tree Diagnosis Systems — Western Science Meets Japanese Expertise Introduction How do you decide whether a tree…
Tree Risk
What is a Jumoku-i? Japan’s Certified Tree Doctor Explained
April 2026
A Jumoku-i is a nationally registered tree specialist in Japan, certified in the diagnosis, treatment, and preservation of trees. The certification was…